28525383 has 12 divisors (see below), whose sum is σ = 42162120. Its totient is φ = 18574416.

The previous prime is 28525373. The next prime is 28525391. The reversal of 28525383 is 38352582.

It is not a de Polignac number, because 28525383 - 2⁵ = 28525351 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28525333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 36468 + ... + 37241.

It is an arithmetic number, because the mean of its divisors is an integer number (3513510).

Almost surely, 2^28525383 is an apocalyptic number.

28525383 is a deficient number, since it is larger than the sum of its proper divisors (13636737).

28525383 is a wasteful number, since it uses less digits than its factorization.

28525383 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73758 (or 73755 counting only the distinct ones).

The product of its digits is 57600, while the sum is 36.

The square root of 28525383 is about 5340.9159326842. The cubic root of 28525383 is about 305.5463931480.

The spelling of 28525383 in words is "twenty-eight million, five hundred twenty-five thousand, three hundred eighty-three".